Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 4, 15, ['g', 'p', 'L', '4821', '3049', 'k', 'D', 'Z', 'k', 'u', '6515', 't', '5127', '6957', 'B', '5277', '1787']

26469